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6397714390 = 251933672181
BaseRepresentation
bin1011111010101010…
…10101111111010110
3121111212102120020211
411331111111333112
5101100303330030
62534501120034
7314353450354
oct57525257726
917455376224
106397714390
112793385571
1212a66b901a
137ac5b9c22
1444997a7d4
152769e912a
hex17d555fd6

6397714390 has 16 divisors (see below), whose sum is σ = 12121985520. Its totient is φ = 2424396960.

The previous prime is 6397714387. The next prime is 6397714391. The reversal of 6397714390 is 934177936.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6397714391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16835901 + ... + 16836280.

It is an arithmetic number, because the mean of its divisors is an integer number (757624095).

Almost surely, 26397714390 is an apocalyptic number.

6397714390 is a deficient number, since it is larger than the sum of its proper divisors (5724271130).

6397714390 is a wasteful number, since it uses less digits than its factorization.

6397714390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33672207.

The product of its (nonzero) digits is 857304, while the sum is 49.

The square root of 6397714390 is about 79985.7136618784. The cubic root of 6397714390 is about 1856.4144891741.

The spelling of 6397714390 in words is "six billion, three hundred ninety-seven million, seven hundred fourteen thousand, three hundred ninety".

Divisors: 1 2 5 10 19 38 95 190 33672181 67344362 168360905 336721810 639771439 1279542878 3198857195 6397714390